Spot Forecast
Issued by NWS Houston/Galveston, TX

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978
FNUS74 KHGX 091925
FWSHGX

Spot Forecast for Grimes 4750...TAMFS
National Weather Service Houston/Galveston TX
225 PM CDT Thu Oct 9 2025

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Minimum relative humidity values this afternoon will be around
40 percent with northeasterly winds around 10 mph with occasional
higher gusts continuing through sunset. Mixing heights in the
5,000 to 6,000 ft range through the afternoon then drop below
1,000 ft after 10PM this evening.

Drier air fills into the region later today and tonight. Winds
on Friday will decrease to 7-12 mph. Elevated fire weather conditions
continue through at least Friday due to the combination of dry air,
dry fuels, and breezy winds. Though wind speeds are expected to be
below Red Flag Warning criteria, the Texas A&M Forest Service is
forecasting a high to very high fire danger for this area.

.REST OF TODAY...
TIME (CDT)      3PM 4PM 5PM
Sky cover.......CLR CLR CLR
Sky (%).........5   2   1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0
Temp............89  90  90
RH..............40  38  38
Aparnt tmp (F)..90  90  90
20 FT wind dir..NE  NE  NE
20 FT wind spd..8   8   8
20 FT wind gust.18  18  17
Mix hgt (kft)...6.4 6.5 5.6
Mix hgt (km)....2.0 2.0 1.7
Transp wind dir.E   NE  E
Transp wind spd.14  14  14
Trans wind dir..E   NE  E
Trans spd (m/s).6   6   6
Ceiling (kft)...25  25  25
Visibility (sm).10  10  10

.TONIGHT...
TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......CLR MCR MCR MCR CLR CLR CLR CLR CLR CLR CLR CLR
Sky (%).........1   9   11  8   1   0   0   4   1   2   4   4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............88  85  81  79  77  75  73  73  71  70  70  67
RH..............40  44  51  54  58  62  66  66  66  66  66  70
Aparnt tmp (F)..88  85  82  80  77  75  73  73  71  70  70  67
20 FT wind dir..NE  NE  NE  E   E   E   E   E   E   E   E   NE
20 FT wind spd..8   7   7   6   6   6   6   6   5   5   5   5
20 FT wind gust.16  15  14  13  12  12  12  12  12  13  13  13
Mix hgt (kft)...4.0 1.8 1.5 1.3 1.1 0.9 0.7 0.4 0.3 0.2 0.2 0.2
Mix hgt (km)....1.2 0.5 0.5 0.4 0.3 0.3 0.2 0.1 0.1 0.1 0.1 0.1
Transp wind dir.E   NE  E   E   NE  NE  E   E   E   E   E   E
Transp wind spd.15  12  12  9   9   9   9   10  12  12  9   8
Trans wind dir..E   NE  E   E   NE  NE  E   E   E   E   E   E
Trans spd (m/s).7   5   5   4   4   4   4   4   5   5   4   4
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

.FRIDAY...
TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR CLR CLR CLR CLR MCR MCR MCR MCR MCR MCR
Sky (%).........4   5   5   0   2   1   6   6   9   7   10  7
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............66  66  65  69  76  79  83  86  87  87  89  87
RH..............67  66  66  56  43  39  34  32  30  29  28  29
Aparnt tmp (F)..66  66  65  69  76  79  82  84  84  85  86  85
20 FT wind dir..NE  E   E   E   E   NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..5   5   5   7   7   6   6   6   7   7   7   7
20 FT wind gust.13  12  13  13  14  14  15  15  16  16  16  15
Mix hgt (kft)...0.2 0.2 0.4 0.9 1.6 2.4 3.4 4.8 6.1 7.0 7.0 5.6
Mix hgt (km)....0.1 0.1 0.1 0.3 0.5 0.7 1.0 1.5 1.9 2.1 2.1 1.7
Transp wind dir.E   E   E   E   NE  NE  NE  N   N   N   N   N
Transp wind spd.8   9   7   10  8   8   9   12  14  15  15  14
Trans wind dir..E   E   E   E   NE  NE  NE  N   N   N   N   N
Trans spd (m/s).4   4   3   4   4   4   4   5   6   7   7   6
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  10

$$
Forecaster...Batiste
Requested by...Matthew Tripp
Type of request...WILDFIRE
.TAG 2523251.0/HGX
.DELDT 10/09/25
.FormatterVersion 2.0.0
.EMAIL csdispatch@tfs.tamu.edu